import java.util.Scanner;

public class Arithmetic {
    public static void main(String[] args) {
        Scanner scanner =new Scanner(System.in);

        int a=scanner.nextInt();

        if(a%2==0){
            System.out.println("偶数");
            }
            else{
                System.out.println("奇数");
            }

    }
//    public static void main10(String[] args) {
//        if(a==1){//必须是bool表达式
//
//        }
//
//
//
//    }
    public static void main9(String[] args) {//顺序结构
        System.out.println(1);
        System.out.println(2);
        System.out.println(3);
        System.out.println(4);
    }
    public static void main8(String[] args) {
        int a=10;
        int b=20;
        int c=a+((b-a)>>1);//加+号的优先级比>>高
    }
    public static void main7(String[] args) {//三目
        int a=10;
        int b=20;
        int max=a>b?a:b;
        System.out.println(max);
    }

    public static void main6(String[] args) {
        int negativeFive = -5;//左移
        int result = negativeFive << 1;

        System.out.println(Integer.toBinaryString(negativeFive));  // 输出原始二进制表示
        System.out.println(Integer.toBinaryString(result));        // 输出左移后的二进制表示
    }


    public static void main5(String[] args) {
        int a=1;
        int b=2;

        System.out.println(a<5||b>6);
    }
    public static void main4(String[] args) {
        int a=11;
        int b=12;
        System.out.println(a>b);
        System.out.println(a<b);//对是true,否是false
        System.out.println(a>=b);
        System.out.println(a<=b);

    }
    public static void main3(String[] args) {//增量运算符
        int a=10;
        double d=12.5;
        a=(int)(a+d);
        //a+=d;//自动帮我们进行类型转换
        System.out.println(a);

    }
    public static void main2(String[] args) {
        int a=10;
        a=a+1;
        a+=1;
        System.out.println(a);
    }
    public static void main1(String[] args) {
        int a=20;
        int b=10;
        System.out.println(a+b);
        System.out.println(a-b);
        System.out.println(a*b);
        System.out.println(a/b);
        System.out.println(a%b);
    }
}
